@Ecumene

To answer your questions, I don't know a lot of Mathematics, because I just started high school/secondary school. But because I'm into programming, I know a little more Maths than what I've learnt from school: namely, trigonometry, basic vector maths, 2D/3D Cartesian coordinates, a little bit of coordinate geometry and some matrix maths. I can't list what I've learnt from school because that would be too much, but I can assure you that I know linear algebra.

I started programming roughly 3 years ago, but the first 2 years wasn't serious programming, just playing around with various programming languages. This year I really started spending my free time almost entirely on programming. I learnt LWJGL a month ago from ThinMatrix, so I haven't done a lot of graphics programming. I can use Blender pretty well (modifiers, sculpting, blah blah) and I made a couple of stuff. I even tried making a castle once, but I had to scrap it because I messed up the staircase

From what you said, linear algebra and trigonometry is important in game dev. I'm pretty good at both. I wrote a getLineOfSight() using the parametric equation for generating circles (it involves trigonometry). However, I didn't exactly ask for how much maths I need to know to program games. I was asking how much mathematical knowledge is required to make games in JME specifically, so...yeah.